Business Combination (Tables)

9 Months Ended

Sep. 30, 2012

Business Combination [Abstract]

Components of the preliminary purchase price allocation for propel

Purchase price:
Cash paid at acquisition	$	186,814
Purchase price adjustment		741
Total purchase price	$	187,555
Allocation of purchase price:
Cash	$	824
Accounts receivable		1,049
Interest receivable		3,679
Property tax payment agreements receivable		132,978
Fixed assets		461
Other assets		860
Liabilities assumed		(2,265	)
Identifiable intangible assets		570
Goodwill		49,399
Total net assets acquired	$	187,555

Pro forma consolidated results of operations

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Consolidated pro forma revenue	$	144,792	$	120,189	$	418,767	$	344,466
Consolidated pro forma income from continuing operations		21,308		16,336		62,016		45,462